Shelfmark
Hil.275
Maker
Adam Hilger Ltd.
Subjects
sound; optical (audiometer)
Title
The Low-Hilger Audiometer formerly known as The Hilger Optical Sonometer
Description
Earliest Date
1923
Latest Date
1923
Pages
7
Address
75 a Camden Road, London, N.W.1, England
Other Makers
Cat no
Contents List
Hardback
Prices
Yes
Index
Illustrations
Yes
General Ref
FM:19459
